source: node_modules/ramda/src/prop.js

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Last change on this file was d24f17c, checked in by Aleksandar Panovski <apano77@…>, 15 months ago

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[d24f17c]1var _curry2 =
2/*#__PURE__*/
3require("./internal/_curry2.js");
4
5var _isInteger =
6/*#__PURE__*/
7require("./internal/_isInteger.js");
8
9var nth =
10/*#__PURE__*/
11require("./nth.js");
12/**
13 * Returns a function that when supplied an object returns the indicated
14 * property of that object, if it exists.
15 *
16 * @func
17 * @memberOf R
18 * @since v0.1.0
19 * @category Object
20 * @typedefn Idx = String | Int | Symbol
21 * @sig Idx -> {s: a} -> a | Undefined
22 * @param {String|Number} p The property name or array index
23 * @param {Object} obj The object to query
24 * @return {*} The value at `obj.p`.
25 * @see R.path, R.props, R.pluck, R.project, R.nth
26 * @example
27 *
28 * R.prop('x', {x: 100}); //=> 100
29 * R.prop('x', {}); //=> undefined
30 * R.prop(0, [100]); //=> 100
31 * R.compose(R.inc, R.prop('x'))({ x: 3 }) //=> 4
32 */
33
34
35var prop =
36/*#__PURE__*/
37_curry2(function prop(p, obj) {
38 if (obj == null) {
39 return;
40 }
41
42 return _isInteger(p) ? nth(p, obj) : obj[p];
43});
44
45module.exports = prop;
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